Pith Number

pith:HHNVUYO5

pith:2019:HHNVUYO57C6TEZQJJUUQZGVED2

not attested not anchored not stored refs pending

The Role of Major Mergers and Nuclear Star Formation in Nearby Obscured Quasars

Dongyao Zhao, Jinyi Shangguan, Luis C. Ho, Minjin Kim, Yulin Zhao

arxiv:1904.06734 v1 · 2019-04-14 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHNVUYO57C6TEZQJJUUQZGVED2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:44:11.349683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39db5a61ddf8bd3266094d290c9aa41ea40b2c1829c97968df54de7f0fd9e236

Aliases

arxiv: 1904.06734 · arxiv_version: 1904.06734v1 · doi: 10.48550/arxiv.1904.06734 · pith_short_12: HHNVUYO57C6T · pith_short_16: HHNVUYO57C6TEZQJ · pith_short_8: HHNVUYO5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/HHNVUYO57C6TEZQJJUUQZGVED2 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 39db5a61ddf8bd3266094d290c9aa41ea40b2c1829c97968df54de7f0fd9e236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f550abcb54921d47ff23d3a7d0eb498cc1231e3278a870e038d354d53cdaf0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-14T18:14:31Z",
    "title_canon_sha256": "b691f4a0ffc2c6a9acf6d866235cff7b4154b88443aedcdd944c744a4e145354"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06734",
    "kind": "arxiv",
    "version": 1
  }
}